boiler with straight tubes
新的水管锅炉 new water tube boilers 直管式水管锅炉 tubeboilerwithstraighttubes ; boiler with straight tubes ; ith straight tubes 卧式水管锅炉 horizontal water tube boiler ; inclined water tube boiler ..
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boiler with straight tubes
直管锅炉
以上为机器翻译结果，长、整句建议使用 人工翻译 。